There are several key components that come together when trying to lose weight.  There are healthy ways to lose weight and also unhealthy ways to lose weight.  It is important to have a workout that is reasonable and also to make sure that when you alter a diet you are still meeting your daily requirement for nutrients.  It is important to be at a healthy weight for several reasons.  Most important, leading a healthy lifestyle, maintaining a healthy body weight, and a nutritional diet are all key in the prevention of disease.